题目内容
20．________old man in ________ brown coat over there is Mr．Jackson．（ ）| A． | An，a | B． | An，the | C． | The，a | D． | The，the |
分析 在那边穿着一件棕色大衣的那个年老的男士是杰克逊先生 （Mr．Jackson）．
解答 答案：C．本题考查冠词的用法．名词man后面的介词短语提示man表示特指意义，用定冠词the；"穿着一件…"，表示数量是"一"，所以用a或者an来表示，brown首字母音素为辅音音素，所以用不定冠词a表达．故选C．
点评 在做这种题时，根据语境和题意，首先确定考查的是冠词a，an，the的用法；再就是要注意定冠词the表示特指，修饰old man；不定冠词a表示"一件"；同时要注意辅音音素前面要加不定冠词a．
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